11292990 has 32 divisors (see below), whose sum is σ = 27979776. Its totient is φ = 2914080.

The previous prime is 11292923. The next prime is 11292997. The reversal of 11292990 is 9929211.

11292990 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11292997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (874368).

Almost surely, 2^11292990 is an apocalyptic number.

11292990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11292990 is an abundant number, since it is smaller than the sum of its proper divisors (16686786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11292990 is a wasteful number, since it uses less digits than its factorization.

11292990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11292990 is about 3360.5044264217. The cubic root of 11292990 is about 224.3552902305.

The spelling of 11292990 in words is "eleven million, two hundred ninety-two thousand, nine hundred ninety".